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Finding the Fourth Proportional to 210,086, 315,129 and 62,342

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Solution

The fourth proportional to 210,086, 315,129 and 62,342 is: 93,513

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,086 : 315,129 = 62,342 : x
  2. Step 2: Convert to fraction form
    210,086/315,129 = 62,342/x
  3. Step 3: Cross multiply
    210,086x = 315,129 × 62,342
  4. Step 4: Simplify right side
    210,086x = 19,645,772,118
  5. Step 5: Solve for x
    x = 19,645,772,118/210,086
  6. Step 6: Final answer
    x = 93,513

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.